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Diffstat (limited to 'Lessons_uncategorized')
| -rw-r--r-- | Lessons_uncategorized/Lesson_FDF_FV/README.md | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/Lessons_uncategorized/Lesson_FDF_FV/README.md b/Lessons_uncategorized/Lesson_FDF_FV/README.md index 00b78b2..433b21b 100644 --- a/Lessons_uncategorized/Lesson_FDF_FV/README.md +++ b/Lessons_uncategorized/Lesson_FDF_FV/README.md @@ -122,46 +122,6 @@ The data inside the file is formatted with respect to the `EFI_FFS_FILE_HEADER.T | EFI_FV_FILETYPE_FFS_PAD | 0xF0 | Pad File For FFS | -Almost each type of file consists of sections, with each section prepended with a header `EFI_COMMON_SECTION_HEADER` ([https://github.com/tianocore/edk2/blob/master/MdePkg/Include/Pi/PiFirmwareFile.h](https://github.com/tianocore/edk2/blob/master/MdePkg/Include/Pi/PiFirmwareFile.h)): -``` -EFI_COMMON_SECTION_HEADER - -Summary: -Defines the common header for all the section types - -Prototype: -typedef struct { - UINT8 Size[3]; - EFI_SECTION_TYPE Type; -} EFI_COMMON_SECTION_HEADER; - -Parameters: -Size A 24-bit unsigned integer that contains the total size of the section in bytes, including the EFI_COMMON_SECTION_HEADER -Type Declares the section type - -Description: -The type EFI_COMMON_SECTION_HEADER defines the common header for all the section types -``` - -Specification defines following sections: -| Name | Value | Description | -| ---- | ----- | ----------- | -| EFI_SECTION_COMPRESSION | 0x01 | Encapsulation section where other sections are compressed | -| EFI_SECTION_GUID_DEFINED | 0x02 | Encapsulation section where other sections have format defined by a GUID | -| EFI_SECTION_DISPOSABLE | 0x03 | Encapsulation section used during the build process but not required for execution | -| EFI_SECTION_PE32 | 0x10 | PE32+ Executable image | -| EFI_SECTION_PIC | 0x11 | Position-Independent Code | -| EFI_SECTION_TE | 0x12 | Terse Executable image | -| EFI_SECTION_DXE_DEPEX | 0x13 | DXE Dependency Expression | -| EFI_SECTION_VERSION | 0x14 | Version, Text and Numeric | -| EFI_SECTION_USER_INTERFACE | 0x15 | User-Friendly name of the driver | -| EFI_SECTION_COMPATIBILITY16 | 0x16 | DOS-style 16-bit EXE | -| EFI_SECTION_FIRMWARE_VOLUME_IMAGE | 0x17 | PI Firmware Volume image | -| EFI_SECTION_FREEFORM_SUBTYPE_GUID | 0x18 | Raw data with GUID in header to define format | -| EFI_SECTION_RAW | 0x19 | Raw data | -| EFI_SECTION_PEI_DEPEX | 0x1b | PEI Dependency Expression | -| EFI_SECTION_MM_DEPEX | 0x1c | Leaf section type for determining the dispatch order for an MM Traditional driver in MM Traditional Mode or MM Standaline driver in MM Standalone Mode | - # Create simple Firmware Volume Now let's try to create the most simple firmware volume which would contain one binary file. Here is code for this structure (`UefiLessonsPkg/UefiLessonsPkg.fdf`): |